
OSTW — Glass-Filled Nylon -29 to 220°C
HSTW — Cadmium Free Liquid
Crystal Polymer -29 to 260°C
Shown smaller than actual size
OSTW
-29 to 220°C
HSTW
-29 to 260°C
G-5
2.5 DIA.
3.96
4.77
11.1
1
11.90
33.33
15.06
12.7
(0.50)
(0.59)
(1.31)
(0.10)
(0.47)
(0.16)
(0.19)
(0.44)
DIMENSIONS IN MM (INCHES)
FRONT & REAR VIEW OF FEMALE
MALE AND FEMALE HAVE
THE SAME BODY DIMENSIONS
8.0 (0.31)
25.4 (1.0)
11.1 (0.44)
12.7
(0.5)
5.5 (0.22'') WIRE ACCESS
HOLE
Tapered Point
Male Contacts
NEW! Universal Female
Hollow-Pin Construction
Color-Coding for ANSI or IEC
Captive Cover Screws
Accepts Stranded or Solid Wire
up to Size 14 AWG
Quick Connect Contact Washers
Internal Wire Divider
Write-On Window
Combination Phillips/
Slot Screws
Shown Larger
Than Actual Size
Removable/
Reversible
Write-On Window
at No Extra Charge
Silicon Strain
Relief Grommet
at No Extra Charge.
$
5
65
Basic Pair
OSTW
ANSI
color
code
shown
To order
IEC color
code see
pg. A-9
Most Popular
Standard Connectors
Type OSTW & HSTW
Glass Filled Nylon Range -29 to 220°C (-20 to 425°F)
Liquid Crystal Polymer Range -29 to 260°C (-20 to 500°F)
See OMEGA’s Complete Selection
of Connector Accessories
Featured on Pages G-19, G-25 and
G-32, and online at omega.com
Transmitters and Ferrite Cores
for EMI Protection
Also Available!
Model
PCLM-FT
Cable Clamp
with Ferrite Core
for EMI Protection,
$2.50 ea. Connector
sold separately.
Model SPRTX Built-in
4 to 20 mA Transmitter $75.
See page N-5.
PATENTED
We make running changes
when technical advances allow. Check at
time of ordering for additional features.
N
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F
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m
a
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Covered by U.S and
International patents and
pending applications
Now Available!
Solid Pin Connectors
S
e
e
f
o
o
t
n
o
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o
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p
a
g
e
G
-
6
f
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PATENTED

G-6
G
* To Order a Pair: Replace suffix “M” with “MF” for a connector pair.
** To Order Solid Pin Male Connectors: Add suffix “-S” to the model number and add $2 to price.
†
J, K, T, E, R, S and B are ANSI designations. OMEGALLOY®(OMEGA-P®& OMEGA-N®) is generically known as Nicrosil-Nisil.
ANSI color coded models shown.
Note: Type U (uncompensated) connectors are used with type B thermocouples (Pt/6%Rh-Pt/30%Rh)
Ordering Example: OSTW-K-MF-S glass-filled nylon connector pair with solid pins, $7.65.
1-10 …………………………Net
11-24 ………………………10%
25-49 ………………………15%
50-99 ………………………20%
100-999 ……………………25%
1000 and over Consult Sales
Discount Schedule
Model OSTW – K – M $2.25
OSTW – K – M
Standard Window Calibration Male
Connector Style
Ordering Example
Internal Wire
Divider
Quick Connect Contact Washers.
Additional washers available,
Order CW-OST-20,
$2.00/pkg of 20,
or CW-OST-100,
$8.50/pkg of 100
The write-on connector
is a trademark of
OMEGA Engineering, Inc.
Additional write-on
windows available, order
WCP-L, $0.25/pkg of 5.
Captive Cover
Screws at No
Extra Charge
Universal Female Mates with
Standard or Miniature
Thermocouple Connectors
Silicon Strain Relief Grommet at
No Extra Charge. Additional
Grommets, Order
SR-OST-10, $0.50/pk of 10,
SR-OST-100, $5.00/pk of 100
PATENTED
Covered by
U.S. and
International
Patents and
Pending
Applications
Removable/Reversible
Write-On Window
at No Extra Charge
ANSI
color
code
shown
To order
IEC color
code see
pg. A-9
The OSTW and High Temperature
HSTW Feature OMEGA’s Exclusive
Universal Female Connector Design
Which Accepts Both Standard and
Miniature Sized Male Pins
ALL MODELS AVAILABLE
FOR FAST DELIVERY!
Silicon Strain
Relief Grommet
at No Extra Charge.
To Order (Specify Model Number) -29 to 220°C (-20 to 428°F) -29 to 260°C (-20 to 500°F)
Compensating Alloy ANSI Glass-Filled Nylon Price Liquid Crystal Polymer Price
Alloy Used in Connector Color Model Number
Pair
Female
Male
Model Number
Pair
Female
Male
Code
†
+
—
Code
Male* Uni-Female
(MF)** (F) (M)**
Male* Uni-Female
(MF)** (F) (M)**
CHROMEGA
®
ALOMEGA®Yellow OSTW-K-M OSTW-K-F $5.65 $3.40 $2.25 HSTW-K-M HSTW-K-F $6.05 $3.60 $2.45
Copper Constantan Blue OSTW-T-M OSTW-T-F 5.65 3.40 2.25 HSTW-T-M HSTW-T-F 6.05 3.60 2.45
Iron Constantan Black OSTW-J-M OSTW-J-F 5.65 3.40 2.25 HSTW-J-M HSTW-J-F 6.05 3.60 2.45
CHROMEGA®Constantan Purple OSTW-E-M OSTW-E-F 5.65 3.40 2.25 HSTW-E-M HSTW-E-F 6.05 3.60 2.45
Copper RNX/SNX Green OSTW-R/S-M OSTW-R/S-F 5.65 3.40 2.25 HSTW-R/S-M HSTW-R/S-F 6.05 3.60 2.45
CPX CNX Red OSTW-C-M OSTW-C-F 5.65 3.40 2.25 HSTW-C-M HSTW-C-F 6.05 3.60 2.45
Copper Copper White OSTW-U-M OSTW-U-F 5.65 3.40 2.25 HSTW-U-M HSTW-U-F 6.05 3.60 2.45
OMEGA-P®OMEGA-N®Orange OSTW-N-M OSTW-N-F 8.50 5.10 3.40 HSTW-N-M HSTW-N-F 8.90 5.30 3.60
K
T
J
E
R/S
C
U
N

One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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